Evidence from d+Au Measurements for Final-State Suppression of High-p_T Hadrons in Au+Au Collisions at RHIC

by: J Adams, STAR Collaboration

Physical Review Letters, Vol. 91, No. 7. (2003), 072304.

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Abstract

We report measurements of single-particle inclusive spectra and two-particle azimuthal distributions of charged hadrons at high transverse momentum (high p T ) in minimum bias and central d +Au collisions at sqrt [ s N N ]=200 GeV. The inclusive yield is enhanced in d +Au collisions relative to binary-scaled p + p collisions; while the two-particle azimuthal distributions are very similar to those observed in p + p collisions. These results demonstrate that the strong suppression of the inclusive yield and back-to-back correlations at high p T previously observed in central Au+Au collisions are due to final-state interactions with the dense medium generated in such collisions.

@article{citeulike:2288999, abstract = {We report measurements of single-particle inclusive spectra and two-particle azimuthal distributions of charged hadrons at high transverse momentum (high p T ) in minimum bias and central d +Au collisions at sqrt [ s N N ]=200 GeV. The inclusive yield is enhanced in d +Au collisions relative to binary-scaled p + p collisions; while the two-particle azimuthal distributions are very similar to those observed in p + p collisions. These results demonstrate that the strong suppression of the inclusive yield and back-to-back correlations at high p T previously observed in central Au+Au collisions are due to final-state interactions with the dense medium generated in such collisions.}, author = {Adams, J. and Collaboration, S. T. A. R. }, citeulike-article-id = {2288999}, doi = {10.1103/PhysRevLett.91.072304}, journal = {Physical Review Letters}, number = {7}, pages = {072304+}, posted-at = {2008-01-25 10:48:37}, priority = {0}, publisher = {American Physical Society}, title = {Evidence from d+Au Measurements for Final-State Suppression of High-p\_T Hadrons in Au+Au Collisions at RHIC}, url = {http://dx.doi.org/10.1103/PhysRevLett.91.072304}, volume = {91}, year = {2003} }

RIS record

TY - JOUR ID - citeulike:2288999 L3 - citeulike-article-id:2288999 TI - Evidence from d+Au Measurements for Final-State Suppression of High-p_T Hadrons in Au+Au Collisions at RHIC JF - Physical Review Letters VL - 91 IS - 7 SP - 072304 PB - American Physical Society N2 - We report measurements of single-particle inclusive spectra and two-particle azimuthal distributions of charged hadrons at high transverse momentum (high p T ) in minimum bias and central d +Au collisions at sqrt [ s N N ]=200 GeV. The inclusive yield is enhanced in d +Au collisions relative to binary-scaled p + p collisions; while the two-particle azimuthal distributions are very similar to those observed in p + p collisions. These results demonstrate that the strong suppression of the inclusive yield and back-to-back correlations at high p T previously observed in central Au+Au collisions are due to final-state interactions with the dense medium generated in such collisions. AU - Adams, J AU - Collaboration, STAR PY - 2003//15/ UR - http://dx.doi.org/10.1103/PhysRevLett.91.072304 ER -

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